Nonlinear optical properties of tungsten disulfide as saturable absorber based on Q-switched fiber laser
Nonlinear optical properties of tungsten disulfide as saturable absorber based on Q-switched fiber laser
复制标题
基于调Q光纤激光器的二硫化钨饱和吸收体非线性光学特性
DOI:
10.1016/j.ijleo.2019.163251
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发表时间:
2019-12
期刊:
影响因子:
3.1
通讯作者:
Shubin Wang
中科院分区:
文献类型:
--
作者:
Guoli Ma;Yanli Yao;Xin Zhang;Shubin Wang
In this paper, nonlinear optical properties of tungsten disulfide are studied. Tungsten disulfide (WS2) is prepared as saturable absorber (SA) with the microstructured optical fiber. When the SA based on WS2is assembled into a fiber laser, Q-switched operation is demonstrated. The 2 nm spectral width is obtained at the central wavelength of 1531 nm. The signal-to-noise ratio is about 80 dB, which indicates that the fiber laser is very stable. The shortest pulse duration is 800 nm at the maximum input power of 650 mW. The conclusion shows that WS2is a good nonlinear optical material.
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